一定: fixed; established; regular的: 4次方是 The fourth power of 2 i ...必然: inevitable; certain; necessa ...一定的,必然的;受约束的,有义务的: bound必然的: certes; consequent; inevitable; logical; necessary; sure; unescapable一定;必然: be bound to必然的结果: corollary必然的结束: foregone conclusion必然的论证: apodeictic proof必然的事: certainty /n必然的事物: fatality必然的推定: certain presumption必然的选择: an easy choice必要的;必然的: necessary未必然的: improbable一定(做),必然(做): be certain to (do)一定会…,必然…: be bound to一定的: bound; certain; definite; determinateunvarying; fixed; given; sure; uniform; unvarying几乎是必然的: is almost a certainty必然的结果, 系, 推论: corollary必然的同一性原则: apodeictic principle of identity不可避免的, 必然的: inevitable adj不可避免的、必然的: inevitable接近必然的可能性: moral certainty随之发生的,必然的: co equent; consequent